hard Set 100 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 20] → [12, 13, _, 13] → [_, 9, _, 3, 10]

Show answer

Answer: Row2[2]=40, Row5[1]=3, Row3[1]=25, Row4[3]=7, Row1[1]=85, Row3[2]=20, Row5[3]=4, Row2[1]=45

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [45,40]
  • [25,20,20]
  • [12,13,7,13]
  • [3,9,4,3,10]
Base
  • 3
  • 9
  • 4
  • 3
  • 10
TopValue
85
HiddenCells
  • {"r":1,"c":1,"v":40}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":0,"v":25}
  • {"r":3,"c":2,"v":7}
  • {"r":0,"c":0,"v":85}
  • {"r":2,"c":1,"v":20}
  • {"r":4,"c":2,"v":4}
  • {"r":1,"c":0,"v":45}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [48, 44] → [21, 27, 17] → [_, _, _, 4] → [_, _, 10, _, _]

Show answer

Answer: Row5[4]=3, Row4[3]=13, Row4[2]=14, Row4[1]=7, Row5[5]=1, Row5[1]=3, Row1[1]=92, Row5[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [48,44]
  • [21,27,17]
  • [7,14,13,4]
  • [3,4,10,3,1]
Base
  • 3
  • 4
  • 10
  • 3
  • 1
TopValue
92
HiddenCells
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":2,"v":13}
  • {"r":3,"c":1,"v":14}
  • {"r":3,"c":0,"v":7}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":0,"v":3}
  • {"r":0,"c":0,"v":92}
  • {"r":4,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [96] → [_, 49] → [_, _, _] → [_, 11, _, 12] → [9, _, _, 5, 7]

Show answer

Answer: Row3[1]=23, Row2[1]=47, Row5[2]=3, Row4[1]=12, Row5[3]=8, Row3[3]=25, Row3[2]=24, Row4[3]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [47,49]
  • [23,24,25]
  • [12,11,13,12]
  • [9,3,8,5,7]
Base
  • 9
  • 3
  • 8
  • 5
  • 7
TopValue
96
HiddenCells
  • {"r":2,"c":0,"v":23}
  • {"r":1,"c":0,"v":47}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":2,"v":8}
  • {"r":2,"c":2,"v":25}
  • {"r":2,"c":1,"v":24}
  • {"r":3,"c":2,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [21, 25, 21] → [_, 13, 12, 9] → [_, _, _, _, 6]

Show answer

Answer: Row5[3]=9, Row2[1]=46, Row5[1]=4, Row5[4]=3, Row4[1]=8, Row1[1]=92, Row5[2]=4, Row2[2]=46

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [46,46]
  • [21,25,21]
  • [8,13,12,9]
  • [4,4,9,3,6]
Base
  • 4
  • 4
  • 9
  • 3
  • 6
TopValue
92
HiddenCells
  • {"r":4,"c":2,"v":9}
  • {"r":1,"c":0,"v":46}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":0,"v":8}
  • {"r":0,"c":0,"v":92}
  • {"r":4,"c":1,"v":4}
  • {"r":1,"c":1,"v":46}